Help: Need help with Pyro Diag

Madspeed

Fat Bastard
Mar 22, 2007
315
6
18
Elk Ridge Utah
Got an autometer pyro guage thats not working. Has 12 vlts and Gnd
What does the probe put out? is it a thermistor? or does it generate voltage.
either way what are the specs I want to see from it? nothing found at autometer web site. truck here broken now help:)